Quality Assurance in Another World Volume 12

While chasing after the bugged Catfish, Haga and his party run into Jin, Haga's previous debugging team leader. But to Haga's utter shock, Jin turns on Catfish and kills him right before Haga's very eyes. After witnessing the atrocities Jin has committed, Haga has to make a decision to stand against the man he once revered as a mentor and friend…